Sprinkler standard



FIG. 1 is a top plan view of a sprinkler standard showing my new design;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is an end elevational view thereof.

The center of the standard is broken away in FIGS. 2 and 3 to indicate indeterminate length. 

The ornamental design for a sprinkler standard, as shown and described. 